When the Trump administration announced its plans to roll back regulations that cut methane pollution—a greenhouse gas more potent than CO2—from oil and gas companies, even some oil and gas companies said that they didn’t want that to happen.

Prosecutors in New York are accusing ExxonMobil of trying to discourage potential witnesses from testifying about whether the oil giant misled investors over the costs it may face from future climate regulations.

Democratic presidential candidates have a sweeping array of proposals to fight climate change, but virtually all the leading hopefuls agree on one relatively simple proposal: forcing companies to disclose the risks they face from a warming atmosphere.

At BP’s annual meeting today, investors holding billions in shares, including six of the largest fund managers in the U.K., asked the company to adopt a climate resolution in line with the goals of the Paris climate agreement.